RESOLVED FIXED 22941
If the documentElement does not paint opaquely, then stuff from the previous page shows through 
https://bugs.webkit.org/show_bug.cgi?id=22941
Summary If the documentElement does not paint opaquely, then stuff from the previous ...
Simon Fraser (smfr)
Reported 2008-12-19 15:04:13 PST
If the document element has opacity or has a background color with alpha, then stale pixels in the viewport can show through.
Attachments
Testcase (829 bytes, text/html)
2008-12-19 15:04 PST, Simon Fraser (smfr) 		no flags
Details
Patch, testcase, changelog (6.34 KB, patch)
2008-12-23 19:35 PST, Simon Fraser (smfr) 		mitz: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2008-12-19 15:04:56 PST
Created attachment 26162 [details] Testcase Testcase. Fix should be similar to bug 22938.
Simon Fraser (smfr)
Comment 2 2008-12-19 15:08:53 PST
Actually, the problem does not occur with background-color. Only opacity seems to be problematic.
Simon Fraser (smfr)
Comment 3 2008-12-23 19:35:34 PST
Created attachment 26231 [details] Patch, testcase, changelog
Simon Fraser (smfr)
Comment 4 2008-12-23 21:23:59 PST
Committing to http://svn.webkit.org/repository/webkit/trunk ... M LayoutTests/ChangeLog A LayoutTests/fast/backgrounds/opacity-on-document-element.html M LayoutTests/fast/transforms/identity-matrix.html A LayoutTests/platform/mac/fast/backgrounds/opacity-on-document-element-expected.checksum A LayoutTests/platform/mac/fast/backgrounds/opacity-on-document-element-expected.png A LayoutTests/platform/mac/fast/backgrounds/opacity-on-document-element-expected.txt M LayoutTests/platform/mac/fast/transforms/identity-matrix-expected.txt M WebCore/ChangeLog M WebCore/rendering/RenderView.cpp Committed r39463
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